Trisonic TS-1106A A/B Switch CZ-AB27

here is an 8 port video/audio switch box this is a very simple passive little switch box it takes in 8 sources the traditional composite yellow video and white and red stereo audio connectors and it switches them to one single output and no power supply required it's just a simple mechanical switch very solid now the reason why I got this is on my stereo system I have a lot more sources than inputs on the amplifier and I thought instead of getting a more obscure and consequently more expensive amplifier that has more inputs I'm just gonna get one of these simple switch boxes now of course there are switch boxes available that don't have the video section but those switch boxes well number one I couldn't find one with 8 ports number 2 those all had funky looking plastic cases this one to my surprise actually has a metal case fully metal case I saw in the eBay listing that the top cover w